import matplotlib.pyplot as plt

from random_walk import RandomWalk


while True:
	#穿件一个RandomWalk 实例，并将其包含的点绘制出来
	rw = RandomWalk(50000)
	rw.fill_walk()

	#设置绘图窗口的尺寸
	plt.figure(dpi=128,figsize=(10,6))
	
	point_numbers = list(range(rw.num_points))

	plt.scatter(rw.x_values, rw.y_values,c=point_numbers, cmap=plt.cm.Blues,edgecolor='none', s=15)
	
	#隐藏坐标轴
	plt.axes().get_xaxis().set_visible(False)
	plt.axes().get_yaxis().set_visible(False)
	
	# 突起起点和终点
	plt.scatter(0,0,c="green", edgecolor="none", s = 100)
	plt.scatter(rw.x_values[-1], rw.y_values[-1], c='red', edgecolor="none", s=100)	


	plt.show()
	
	keep_running = input("Make another walk? (y/n): ")
	if keep_running == 'n':
		break
